KVM: Rename debugfs_dir to kvm_debugfs_dir

It's a globally exported symbol now.

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 0998455..d3cb4cc 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -60,7 +60,7 @@
 
 static __read_mostly struct preempt_ops kvm_preempt_ops;
 
-struct dentry *debugfs_dir;
+struct dentry *kvm_debugfs_dir;
 
 static long kvm_vcpu_ioctl(struct file *file, unsigned int ioctl,
 			   unsigned long arg);
@@ -1392,9 +1392,9 @@
 {
 	struct kvm_stats_debugfs_item *p;
 
-	debugfs_dir = debugfs_create_dir("kvm", NULL);
+	kvm_debugfs_dir = debugfs_create_dir("kvm", NULL);
 	for (p = debugfs_entries; p->name; ++p)
-		p->dentry = debugfs_create_file(p->name, 0444, debugfs_dir,
+		p->dentry = debugfs_create_file(p->name, 0444, kvm_debugfs_dir,
 						(void *)(long)p->offset,
 						stat_fops[p->kind]);
 }
@@ -1405,7 +1405,7 @@
 
 	for (p = debugfs_entries; p->name; ++p)
 		debugfs_remove(p->dentry);
-	debugfs_remove(debugfs_dir);
+	debugfs_remove(kvm_debugfs_dir);
 }
 
 static int kvm_suspend(struct sys_device *dev, pm_message_t state)
diff --git a/virt/kvm/kvm_trace.c b/virt/kvm/kvm_trace.c
index 5425440..0e49547 100644
--- a/virt/kvm/kvm_trace.c
+++ b/virt/kvm/kvm_trace.c
@@ -159,12 +159,12 @@
 
 	r = -EIO;
 	atomic_set(&kt->lost_records, 0);
-	kt->lost_file = debugfs_create_file("lost_records", 0444, debugfs_dir,
+	kt->lost_file = debugfs_create_file("lost_records", 0444, kvm_debugfs_dir,
 					    kt, &kvm_trace_lost_ops);
 	if (!kt->lost_file)
 		goto err;
 
-	kt->rchan = relay_open("trace", debugfs_dir, kuts->buf_size,
+	kt->rchan = relay_open("trace", kvm_debugfs_dir, kuts->buf_size,
 				kuts->buf_nr, &kvm_relay_callbacks, kt);
 	if (!kt->rchan)
 		goto err;